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Finding the Fourth Proportional to 11,773.43, 16,247.63 and 6,468.74

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Solution

The fourth proportional to 11,773.43, 16,247.63 and 6,468.74 is: 8,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.43 : 16,247.63 = 6,468.74 : x
  2. Step 2: Convert to fraction form
    11,773.43/16,247.63 = 6,468.74/x
  3. Step 3: Cross multiply
    11,773.43x = 16,247.63 × 6,468.74
  4. Step 4: Simplify right side
    11,773.43x = 105,101,694.09
  5. Step 5: Solve for x
    x = 105,101,694.09/11,773.43
  6. Step 6: Final answer
    x = 8,927.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.